Weird History The Horrifying And Lethal Experiments Of Unit 731  

Christopher Myers
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Ranker Video Inside The Horrifying And Lethal Experiments Of Japan's Military Unit 731

In World War Two, Japan created a top secret project named Unit 731 which sought to learn more about human physiology. Officially called the Epidemic Prevention and Water Purification Department of the Kwantung Army, Unit 731's methods were completely unethical - and that's putting it lightly. Brutal human experimentations were conducted in Unit 731 that resemble things straight out of a horror movie. It shocks the mind to think that these experiments really happened, but indeed they did.

Japan committed war crimes throughout WWII that are cruel and horrifying. They used grisly torture methods on countless victims that ranged from bamboo torture to cannibalism. However, the worst methods occurred in Unit 731. Located in Manchuria, most of the test subjects for Unit 731 were Chinese.

By the end of the war, as surrender became imminent, the Japanese involved with Unit 731 attempted to destroy all evidence of the unspeakable crimes they committed. Unlike their Nazi counterparts, the mad scientists running Unit 731 were never punished for their morbid human experimentation. It would be many years before witnesses started speaking out about the unit, and only now does the public understand what really went on there. 

People Were Vivisected Alive

People Were Vivisected Alive is listed (or ranked) 1 on the list The Horrifying And Lethal Experiments Of Unit 731
Photo:  U.S. Army/Wikimedia Commons/CC0

In order to investigate the internal effects of a newly developed injection, Unit 731 performed live dissections on thousands of test subjects without the use of anesthetic. None of the victims survived. Scholars and former unit members estimate that about 3,000 people were killed in this and other medical experiments performed by Unit 731.

Victims Were Infected With The Bubonic Plague

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Photo: Margaret Parsons/Pixnio/CC0

The unit studied anthrax, cholera, and other pathogens by forcibly infecting victims. One such experimentation was with the bubonic plague, which the Japanese were trying to weaponize by using infected fleas and various delivery systems.

The plague bombs they developed were used to infect Chinese cities, with varying degrees of effectiveness. 

Unnessesary Amputations Were Performed

Victims' limbs were sometimes violently removed in order for doctors to observe the range of effects and "learn the limits of the human body." Severed limbs were at times reattached to other parts of the person's body.

As in the other experiments, all subjects were alive and no anesthetic was used.

Victims Were Put Into High Pressure Chambers

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Photo:  Bukvoed/Wikimedia Commons/CC BY-SA 3.0

To test the effects of intense pressure on the human body, Unit 731 would lock victims into large pressure chambers. Pressure would gradually increase until the subject was killed.